Mechanism for grinding or mixing emulsions.



W. G. SCHRDER. MEGHANISM FOR GRINDING 0B MIXING EMULSIONS.

APPLIGATIOI FILED m11. 1910.

rPaten1;eay Nov. 22, 1910.

UNITED srArEs PATENT OFFICE.

WILHELM G sciiniifEaoE LBECK, GERMANY, AssIGNon ro ALTONAEE MABGARINEWERKE Morin a Co. GESELLSCHAFT MIT BESCHENKTER HAETUNG, oE AL'roNA-or'rENsEN, GERMANY, A CORPORATION 0E GERMANY.

MECHANISM Eon. GEINDING oit' MIXING EMULsIoNs.

Specicati-on of Letters Patent.

lIatenwi Nov. 22, 1910.

Application ltiled. February 1, 1910. Serial No. 541,367.

To all whom rtmc/ 1] concern; Be it known that I, WILHELM G. SCHR- lDER, manufacturer, a citizen of the-free town of Lbeck, in the Empire ofGermany, and resident of 41 Luisenstrasse, Lbeck, Germany, have inventednew and useful Imovements in or Relating to Mechanism forA grinding orMixing Emulsions, of which the following is a specification.

This invention relates texan ap. aratus for grinding emulsions, of thatkind in which the liquid, for instance milk, is driven through acircularv slot which is formed on-v the one hand b 1,5 stationary otherhand y a continuously vrotating friction disk pressed against the saidannular surface.

an annular surface of a The liquid introducedI exercises` on the spindlecarrying the grinding member, a longitudinal pressure which has to betaken up by an adjustable bearing. Owing to that arrangement, thespindle in the bearing easily becomes hot, and moreover a great deal ofpower is wasted in the bearing.

One form of my invention is illustrated in the accompanying drawings, inwhich- Figure 1 is a longitudinal section of my improved. apparatus.Fig. 2 is a plan view of the same. Fig. 3 is a view, on a larger scale,of the end of the s indle.

e represents-the spin le,l which carries a grinding part at each endwhich coperates with a stationary but adjustable grinding member. vThespindle e is driven by a pulley, mounted iii its center. The regulationof the size of the passage throu h which the material undergoing thegrin ing operation passes, is effected by shifting the sta-` tionarygrinding member .in the frame of vthe/machine. The spindle e is providedon sits end. with a reduced portion b, having thereon turbine' blades,and rotates within a tube having a grinding vsurface d. The

grinding member is adjustable in the machine frame'longitudinally of thespindle e by means of a hand wheel h, which bears against part of thegrinding member. The other lnding member d coperating with the en of thes indle e, need not be made adjustable, as t e corres ondin grindingsurface d c are adjusted y the and wheel h when adjusting the grindinsurfaces d cooperating with each other. he spindle is in ing member, andon the' freely suspended in bearingsand provided with stuffing boxes.The liquid -to be ground or converted into an emulsion, is admitted' atm and is firstdivided into twol portions, one of which is ground by thegri;.-...f.ing surfaces c d, and the other by the rinding surfaces c d.The ground liqu s join again inthe discharge pipe n.

As the liquid to be rendered homogeneous orto be converted into anemulsion passes in through the turbines and presses in a uniform mannerfrom both sides against the spindle e, the spindle takes up the tworessures whereby the bearing is relieved rom pressure. Thus, a muchsmaller power vis required for rotating the spindle e as it is necessarymerely to overcome the friction between the inding surfaces lproper.

Another a vantage consists 1n the appalratus having twice the usualoutput. The turbine-like devices which are arranged in well known mannerin the rotating part b,

are preferably built in such manner that their blades are curved inopposite direction, so that both liquids have a rotary Aaction on thespindle c in one and the..same direction.

I claimz v 1. In an apparatus for grinding emulsions, the combination ofa spindle provided with a grinding part at eachend, a grinding member ateach end cooperating therewith, and means for feeding the material fromboth sides toward said spindle, whereby 'a 'balancing movement isobtained, substantially as described.

'2. In an apparatus forV grindin emulsions, the combination of a spin leprovided with grinding parts at each end, having curved turbine blades,these blades being curved in opposite directions on opposite .ends ofthe-spindle, grinding members cooperating with the grinding part of saidspindle, means for adjusting said grindingl J A003 BIELEELDS.-

